The travelling speed is the main element that influences the braking distance of the motorcycle. Factors such as the thickness of the brake discs or the brand of the tyres may contribute to the overall performance, but they do not have a decisive influence on the stopping distance compared to speed.
The correct answer is: A
STOPPING DISTANCES DEPENDING ON TRAVELLING SPEED
| Travelling speed in km/h | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Travelling speed in m/s | 2.7 | 5.5 | 8.3 | 11.1 | 13.8 | 16.6 | 19.4 | 22.22 | 25 | 27.8 | 30.55 | 33.33 | 36.11 |
| Distance travelled during reaction time (m) | 2.77 | 5.55 | 8.32 | 11.11 | 13.88 | 16.65 | 19.4 | 22.22 | 25 | 27.8 | 30.55 | 33.33 | 36.11 |
| Distance travelled during mechanical braking time (m) | 1.50 | 3 | 7 | 12 | 19 | 27 | 37 | 48 | 61 | 78 | 90 | 108 | 130 |
| Total stopping distance (m) | 4.27 | 8.55 | 15.32 | 23.11 | 32.88 | 43.65 | 56.4 | 70.22 | 86 | 105.8 | 120.55 | 141.33 | 166.11 |
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